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Unit Test 4- Interactions Of Matter And Energy
Test Description: Unit Test 4
Instructions: Answer all questions to get your test result.
1) During the day, the sand at the beach is very warm while at night, it is cooler. Why does this occur
A
The sand reflects the sun's energy during the day, causing it to become warmer.
B
The sand absorbs the sun's energy during the day, causing it to become warmer.
C
The sand scatters the sun's energy during the day, causing it to become warmer
D
The sand scatters the sun's energy during the day, causing it to become warmer
2) A worker for an electrical company is preparing to fix a power line. Why would he put on rubber gloves before working with any power line?
A
Rubber is good conductor of heat, but a poor conductor of electricity
B
Rubber is a poor conductor of heat, but a good conductor of electricity
C
Rubber is a good conductor of heat and electricity
D
Rubber is a poor conductor of heat and electricity
3) Why are some coffee cups composed of ceramic material?
A
Ceramic materials are conductors that aid heat transfer
B
Ceramic materials are insulators that limit heat transfer
C
Ceramic materials are insulators that aid heat transfer
D
Ceramic materials are conductors that limit heat transfer
4) If you placed a hot stone in a beaker of cold water, what would happen to stone and water after 10 minutes of time elapsed?
A
The stone would get cooler, and the water would get warmer
B
The stone would get warmer and the water would get cooler
C
The stone will get as cold as the water had been
D
The water would get as hot as the stone had been
5) When electromagnetic waves strike a metal pipe, what usually happens?
A
The pipe reflects all of the waves
B
The pipe gets cooler
C
The pipe begins to produce light
D
The pipe absorbs some of the waves
6) Which best describes why metals are used for making pots and pans that are used for cooking?
A
Metals conduct heat and have a low melting point
B
Metals conduct heat and have a high melting point
C
Metals radiate heat and have a high melting point
D
Metals radiate heat and have a low melting point
7) Which is considered a good insulator of heat?
A
Silver because heat is unable to flow easily through it
B
Plastic because heat is unable to flow easily through it
C
Glass because it allows heat to flows easily
D
Aluminum because it allows heat to flow easily
8) A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?
A
radiation
B
conduction
C
combustion
D
convection
9) Which is most responsible for the uneven heating of air in the atmosphere?
A
condensation
B
convection
C
radiation
D
conduction
10) How are people sitting around a campfire able to feel the heat from the fire without touching the fire?
A
The heat from the fire is conducted through air molecules to the people
B
The heat from the fire rises in the air and then settles around the people
C
The heat from the fire radiates from the fire to the people
D
The heat from the fire travels through the ground and heats the ground around people
*select an answer for all questions
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